1693 	XA_STATE_ORDER(xas, &mapping->i_pages, start, HPAGE_PMD_ORDER);  in collapse_file()
1717 		xas_lock_irq(&xas);  in collapse_file()
1718 		xas_create_range(&xas);  in collapse_file()
1719 		if (!xas_error(&xas))  in collapse_file()
1721 		xas_unlock_irq(&xas);  in collapse_file()
1722 		if (!xas_nomem(&xas, GFP_KERNEL)) {  in collapse_file()
1740 	xas_set(&xas, start);  in collapse_file()
1742 		struct page *page = xas_next(&xas);  in collapse_file()
1744 		VM_BUG_ON(index != xas.xa_index);  in collapse_file()
1753 					if (!xas_next_entry(&xas, end - 1)) {  in collapse_file()
1757 					xas_set(&xas, index);  in collapse_file()
1763 				xas_store(&xas, new_page);  in collapse_file()
1769 				xas_unlock_irq(&xas);  in collapse_file()
1778 				xas_unlock_irq(&xas);  in collapse_file()
1785 				xas_unlock_irq(&xas);  in collapse_file()
1810 				xas_unlock_irq(&xas);  in collapse_file()
1815 				xas_unlock_irq(&xas);  in collapse_file()
1820 				xas_unlock_irq(&xas);  in collapse_file()
1879 		xas_lock_irq(&xas);  in collapse_file()
1880 		xas_set(&xas, index);  in collapse_file()
1882 		VM_BUG_ON_PAGE(page != xas_load(&xas), page);  in collapse_file()
1893 			xas_unlock_irq(&xas);  in collapse_file()
1905 		xas_store(&xas, new_page);  in collapse_file()
1940 	xas_unlock_irq(&xas);  in collapse_file()
1989 		xas_lock_irq(&xas);  in collapse_file()
1995 		xas_set(&xas, start);  in collapse_file()
1996 		xas_for_each(&xas, page, end - 1) {  in collapse_file()
1999 			if (!page || xas.xa_index < page->index) {  in collapse_file()
2004 				xas_store(&xas, NULL);  in collapse_file()
2008 			VM_BUG_ON_PAGE(page->index != xas.xa_index, page);  in collapse_file()
2013 			xas_store(&xas, page);  in collapse_file()
2014 			xas_pause(&xas);  in collapse_file()
2015 			xas_unlock_irq(&xas);  in collapse_file()
2018 			xas_lock_irq(&xas);  in collapse_file()
2021 		xas_unlock_irq(&xas);  in collapse_file()
2039 	XA_STATE(xas, &mapping->i_pages, start);  in khugepaged_scan_file()
2048 	xas_for_each(&xas, page, start + HPAGE_PMD_NR - 1) {  in khugepaged_scan_file()
2049 		if (xas_retry(&xas, page))  in khugepaged_scan_file()
2092 			xas_pause(&xas);  in khugepaged_scan_file()